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United States Patent | 5,610,720 |
Fujioka ,   et al. | March 11, 1997 |
A miniature and reliable device capable of reading a book document while turning the pages thereof. A book document is laid on a document table in a spread position face up. The document table is pressed upward while a scanning unit is restricted in movement in the up-and-down direction. The scanning unit, therefore, receives the surface of the book document pressed upward.
Inventors: | Fujioka; Tetsuya (Yokohama, JP); Takahashi; Hiroshi (Kawasaki, JP); Bannai; Kazunori (Tokyo, JP); Taguchi; Kazushige (Warabi, JP); Shiina; Susumu (Tokyo, JP) |
Assignee: | Ricoh Company, Ltd. (Tokyo, JP) |
Appl. No.: | 201458 |
Filed: | February 24, 1994 |
Feb 24, 1993[JP] | 5-035820 |
Current U.S. Class: | 358/296; 355/25; 355/75; 358/474; 358/498 |
Intern'l Class: | H04N 001/04; G03B 027/32; G03B 027/62 |
Field of Search: | 358/296,474,494,496-498 382/312 355/25,75,233-236,308,309,311 |
4080070 | Mar., 1978 | Spence-Bate | 355/75. |
4208123 | Jun., 1980 | Stevenson | 355/25. |
4275423 | Jun., 1981 | Takahashi et al. | 358/474. |
4816921 | Mar., 1989 | Akiyama et al. | 358/474. |
4942482 | Jun., 1990 | Kakinuma et al. | 358/474. |
5325213 | Jun., 1994 | Takahashi et al. | 358/474. |
5390033 | Feb., 1995 | Bannai et al. | 358/498. |
5471277 | Nov., 1995 | Fujioka et al. | 355/25. |
Foreign Patent Documents | |||
61-184527 | Aug., 1986 | JP. | |
63-58427 | Mar., 1988 | JP | . |
5-19563 | Jan., 1993 | JP. | |
6-202246 | Jul., 1994 | JP. |